Manufacture of cane-sugar.



JfiCOB 531M016 DE AAAAN MANU'EELCTUPE 05: CANE-SUGAR.

No Drawing.

i'ollowing to be full, clear. mul exact cl:- scriptlon air the invention, such us will on- Mile others skilled in the art in which it uppertains to make and use the Sunni.

In the carlmnution methml US used uh present for the purificutiun of juices confuining cane sl'igur about 1G0 liter: m limo. milk at 20 B6. to 100!) liters of juice is used. The grmler purl if this lime mill; of no use fur the real puriiicul'iun u'ii tlu juice, but is only used for ohiuiniug a pre- ('lpillilld formed by lhv grout quantify of rurlmnute of c; lciuui. i0 l'uvililutc lilluring in the filter presses. und fur forming: iiill'il rakes that can be readily lixii iu'teil.

Eli'uris have been nuulc tn recluve he Waste of lime-milk. and in ruplucn thu m:- cess of uirbnnutn of (illCllllll cusl'uumrilj formed, by other ]1iil.t81lili D-uuh as infuuurial earth ()lfl filter refuse, & a. but without obtaining the :lesi recl results. The hauling idea was is furilil'ute filliwu imi of the procipitute by increasing the quantity of the materials (hut uiil the fillirutinn.

My inventiun hilt; for ils uhjcct. l'u uhluin good fiiirntiml, ihuugh only :1 small quantity of lime mill; is usuiL'hy mntrolliug the carhozitiun in. such 21 Wkly lluu: the :nr'uuuate of calcium resulting from ll :5 :ictiun 0f the curhunic will nu the lime illllli is Ffliilliaal in lurgu crystals of rugulur u'hiuh eii liunces ilie 'l'ucil'iliy 0i? l'illruium in :1 great extent whezrelg-y nun-u ihun sum; w? ill: lune 7 y n I laws: The, cum 2.45s uhiuinu-(i 'i runi llu? sugar cane lt-nnu iii" in: ljy iliiluizuri: 0t

Still:

sion is in Specification of Letters iaieut.

grzuluuify ziifli.

of the uice (luring the Whole limiz'h of time it lii 1% milk. is acl clezfl does nu [exceed 033 'iius Full and is nut less than 0.2.) gratin; C210 per liter of juice, which nuw be Curr lro lerl by lest paper of the same ilegree of acidity, the sic-i": lleil Luponli pupei liu iug an excellunt testing medium. sum: as the quantity of limsi milk nea j for the purification of the juice has lI/QQH HSQLl. the curlimiution is continued in the hiunvn way until the juice has become neutral. to 13l1l3i1lll lltlii iiziu. rufi'rr this nuintis rem-nail the carbonation process still continued for sunw limo l0 prevail; the alkaline reucrion (if the juice fniuu. returning, which may occur from lhu solution (if the rcuuiiuiug niirbi of Cu (Olil an action which is nut hle fur the later treatment of? the Thu lurutiou of thi, nver-irarluurl'io Furs, but gcnerully 110$ innru lulu une uiinule. and is only cnntinuel sulliciently .l m' l.ll(? heated juice in yield a liuirl juice u'ftr-r lillruiion which is only :"ghtly uikaline. uml nevi-r lllill to pheunlphthaleiii. Th0 lllllll juice u'il'ziinecl isv ilieiu either clireirtly, (up which is better, after sulfitation in uuulrul. reaction with litmus, led (in the vupurlxuliuu plant.

Aside from the important economy of lime and the resulting use of less coke and filter @loth. there is u smullur lugs of sugar in the filtermlirii iwrzu'zse uf the Smaller The trmiliiosome puriuil 0. ebulliiiun quantity of pr cipilute prelim-ed; a smaller a m 'u'y required for the linu lqiluh the pump for :urbonic :urill, 'ilIlLi he filter l I Th1; improved pruccss iLlSll has 5h? iulluw l (1. Thu liuu. milk ltl never in unuiuci with l ill: juiw in such :1 Quintinairuiiun. that ti 6 reducing; sugars urc al'tu il and tram;-

l inruuul min con'iluriulmns fl f maximum 8' l-luu uuuzus the resulting liuul iuuru has him l u lmv limusz:uciziril.

llio wlur of luu lilllil juice i consular" j uigl'aliur than jhui: nf the lluid juice cl liy i'llu presuni u'uituss 0i curbunu in rovem nailing} (If nn-iii- "uw j numufucluri of by iu-nuiiun whivli. iiniip' the k then and, simu'l't-mleously leading carbonic, acid} form large crystals of Carbomite "of lime; through it, the alkalinity of the juice during while maintaining the alka linity of the juice this, operation being kept nearly constant, K low and nearly constant.

referably beqweeil 0.25 and 0.3' grzuns GM) In testimony that, 1 clnimihe foregoing;

\ 5 p131 51m or uice. as my mvelmon I have s1gne 1 my name m 10 The method of juriiying It? dune sfi'gar juise which comprises heating the raw JACOB SIMUN DE HAAN. juice 552w gradually adding both lime-milk 1 Witneses:

and cmbanic atrial, and. montrolllng the sup- 1 Gr. 812mm, 10 ply 0% milk of lime and cmbenic aci to E W. 7921mm.

presence of twa subscribing wltnes'ss. 

